30981600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:370

約数の個数: 216

約数和(自身を含む): 118008072

約数和(自身を除く): 87026472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 130, 144, 150, 156, 160, 180, 195, 200, 208, 225, 234, 240, 260, 288, 300, 312, 325, 331, 360, 390, 400, 416, 450, 468, 480, 520, 585, 600, 624, 650, 662, 720, 780, 800, 900, 936, 975, 993, 1040, 1170, 1200, 1248, 1300, 1324, 1440, 1560, 1655, 1800, 1872, 1950, 1986, 2080, 2340, 2400, 2600, 2648, 2925, 2979, 3120, 3310, 3600, 3744, 3900, 3972, 4303, 4680, 4965, 5200, 5296, 5850, 5958, 6240, 6620, 7200, 7800, 7944, 8275, 8606, 9360, 9930, 10400, 10592, 11700, 11916, 12909, 13240, 14895, 15600, 15888, 16550, 17212, 18720, 19860, 21515, 23400, 23832, 24825, 25818, 26480, 29790, 31200, 31776, 33100, 34424, 38727, 39720, 43030, 46800, 47664, 49650, 51636, 52960, 59580, 64545, 66200, 68848, 74475, 77454, 79440, 86060, 93600, 95328, 99300, 103272, 107575, 119160, 129090, 132400, 137696, 148950, 154908, 158880, 172120, 193635, 198600, 206544, 215150, 238320, 258180, 264800, 297900, 309816, 322725, 344240, 387270, 397200, 413088, 430300, 476640, 516360, 595800, 619632, 645450, 688480, 774540, 794400, 860600, 968175, 1032720, 1191600, 1239264, 1290900, 1549080, 1721200, 1936350, 2065440, 2383200, 2581800, 3098160, 3442400, 3872700, 5163600, 6196320, 7745400, 10327200, 15490800, 30981600]

約数ペア:

[(1, 30981600), (2, 15490800), (3, 10327200), (4, 7745400), (5, 6196320), (6, 5163600), (8, 3872700), (9, 3442400), (10, 3098160), (12, 2581800), (13, 2383200), (15, 2065440), (16, 1936350), (18, 1721200), (20, 1549080), (24, 1290900), (25, 1239264), (26, 1191600), (30, 1032720), (32, 968175), (36, 860600), (39, 794400), (40, 774540), (45, 688480), (48, 645450), (50, 619632), (52, 595800), (60, 516360), (65, 476640), (72, 430300), (75, 413088), (78, 397200), (80, 387270), (90, 344240), (96, 322725), (100, 309816), (104, 297900), (117, 264800), (120, 258180), (130, 238320), (144, 215150), (150, 206544), (156, 198600), (160, 193635), (180, 172120), (195, 158880), (200, 154908), (208, 148950), (225, 137696), (234, 132400), (240, 129090), (260, 119160), (288, 107575), (300, 103272), (312, 99300), (325, 95328), (331, 93600), (360, 86060), (390, 79440), (400, 77454), (416, 74475), (450, 68848), (468, 66200), (480, 64545), (520, 59580), (585, 52960), (600, 51636), (624, 49650), (650, 47664), (662, 46800), (720, 43030), (780, 39720), (800, 38727), (900, 34424), (936, 33100), (975, 31776), (993, 31200), (1040, 29790), (1170, 26480), (1200, 25818), (1248, 24825), (1300, 23832), (1324, 23400), (1440, 21515), (1560, 19860), (1655, 18720), (1800, 17212), (1872, 16550), (1950, 15888), (1986, 15600), (2080, 14895), (2340, 13240), (2400, 12909), (2600, 11916), (2648, 11700), (2925, 10592), (2979, 10400), (3120, 9930), (3310, 9360), (3600, 8606), (3744, 8275), (3900, 7944), (3972, 7800), (4303, 7200), (4680, 6620), (4965, 6240), (5200, 5958), (5296, 5850)]